<¸dÊïœ•Í!¿`¡½Ý§bgB Y‡ÉáA%óÆ9ÈùKl =0 >15:B >B :;0A0 StandardButton 5 =52J7<>6=>+Cannot create an instance of StandardButtonQQuickPlatformDialog<Dialog 5 01AB@0:B5= 107>2 :;0A Dialog is an abstract base classQQuickPlatformDialog> Material 5 ?@8:0G5=> A2>9AB2> Material is an attached property#QtQuickControls2MaterialStylePlugin@ Universal 5 ?@8:0G5=> A2>9AB2>!Universal is an attached property$QtQuickControls2UniversalStylePluginˆ